12289808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{40427}}^1$

素因数の和:40454

約数の個数: 20

約数和(自身を含む): 25065360

約数和(自身を除く): 12775552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 40427, 80854, 161708, 323416, 646832, 768113, 1536226, 3072452, 6144904, 12289808]

約数ペア:

[(1, 12289808), (2, 6144904), (4, 3072452), (8, 1536226), (16, 768113), (19, 646832), (38, 323416), (76, 161708), (152, 80854), (304, 40427)]